As an expert in the field of chemistry and materials science, I can provide you with information on how to obtain the element Krypton.

Krypton is a noble gas, which is a non-metal and is part of the Group 18 elements in the periodic table. It is found in trace amounts in the Earth's atmosphere, making up about 0.000114% (114 parts per million) of the air we breathe. To get Krypton, the process typically involves the following steps:


1. Air Fractionation: The process begins with the liquefaction of air, which is then distilled to separate its components. Krypton is present in the liquid air fraction.


2. Distillation: After the liquefaction and initial distillation, the remaining gas mixture, which is enriched in noble gases, is further distilled to isolate Krypton.


3. Cryogenic Distillation: This is a common method used to separate Krypton from other noble gases due to its unique boiling point.


4. Extraction: Once Krypton has been separated, it is extracted and can be further purified if necessary.


5. Purification: The final step may involve additional purification processes to ensure the Krypton is of the desired purity for its intended use.

It's important to note that Krypton is not typically extracted for its own sake but is often a byproduct of other industrial processes, such as the production of oxygen and nitrogen.

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Although traces of krypton are found in various minerals, the most important source of krypton is Earth's atmosphere. Air is also the most important source for the other noble gases, with the exception of helium (obtained from natural gas) and radon (obtained as a byproduct of the decay of radioactive elements).read more >>